This film photograph offers a detailed glimpse of the temperature sensors inside the B Reactor at Hanford, Washington, the world’s first full-scale nuclear reactor. The intricate network of gauges and dials reflects the precision required to monitor the reactor’s internal temperature, ensuring safe operation during its pivotal role in the Manhattan Project.
 
Captured on analog film, this image highlights the craftsmanship of mid-20th-century engineering, where every component had a critical purpose. The tactile quality of the film enhances the textures and metallic tones, creating an evocative portrayal of a moment frozen in time—both scientifically and historically. This photograph pays tribute to the technological marvels that shaped modern history, blending art and industry into a compelling visual narrative.